Finding the Fourth Proportional to 1,618,987.59, 2,234,465.43 and 940,317.75
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Solution
The fourth proportional to 1,618,987.59, 2,234,465.43 and 940,317.75 is: 1,297,790.99
Step by Step Solution
- Step 1: Write the proportion equation
1,618,987.59 : 2,234,465.43 = 940,317.75 : x - Step 2: Convert to fraction form
1,618,987.59/2,234,465.43 = 940,317.75/x - Step 3: Cross multiply
1,618,987.59x = 2,234,465.43 × 940,317.75 - Step 4: Simplify right side
1,618,987.59x = 2,101,107,505,590.38 - Step 5: Solve for x
x = 2,101,107,505,590.38/1,618,987.59 - Step 6: Final answer
x = 1,297,790.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.